280132286

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{689981}}^1$

素因数の和:690019

約数の個数: 16

約数和(自身を含む): 496787040

約数和(自身を除く): 216654754

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 689981, 1379962, 4829867, 9659734, 20009449, 40018898, 140066143, 280132286]

約数ペア:

[(1, 280132286), (2, 140066143), (7, 40018898), (14, 20009449), (29, 9659734), (58, 4829867), (203, 1379962), (406, 689981)]